1.Save the file name OASysUltra.zip from      the shortcut link to your computer

2.Unzip and extract from the files saved in    step 1  the  OASysSetup.exe program file

LOG-OUT AND CLOSE OASys BEFORE ATTEMPTING STEP 3  

3.Run  the program file “OASysSetup.exe”      extracted in step 2 to start the install        process

4.Follow the onscreen install wizard  to          complete the installation, select the 
 "Repair" option to modify and update system 




5. Login to OASys

6. Select "YES" when prompted at                the start- up screen  for the Employer 
   Tax Table to be upgraded ...  

7. Wait for the upgrade process to complete   
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